KYIV, Ukraine (AP) — The number of Russian troops killed or wounded in Ukraine has topped 1 million, military officials in Kyiv said Thursday, describing the huge price that Moscow has paid for its 3-year-old invasion.

Ukraine's president says a new prisoner exchange with Russia is ongoing and will take days, as both sides continue launching hundreds of attack drones.

"We are currently creating unmanned systems troops as a separate branch of the military and we need to ensure their rapid and high-quality deployment and development," Russian news agencies quoted him as saying at a meeting on arms development.

Russia launched 479 drones at Ukraine in the war’s biggest overnight drone bombardment, the Ukrainian air force said.

Just off the small Taiwan fishing port of Wushi on its Pacific coast, a Taiwanese company is testing what could eventually be a powerful but unglamorous new weapon in the island's military arsenal - sea drones.

Ukrainian drones strike targets in Russia, including gunpowder plant, General Staff says Zelensky urges 'stronger' EU sanctions on Russia, lower oil price cap Ukraine repatriates bodies of 1,212 fallen soldiers Ukraine's SBU releases fresh video of Operation Spiderweb,